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Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Concord, Buchanan Field (KCCR)

Lat: 37.99167°NLon: 122.05194°WElev: 23.0ft.

Mostly Cloudy

52°F

11°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 13 Apr 02:35 AM PDT
Extended Forecast for

4 Miles E Hercules CA

  • Overnight

    Overnight: Partly cloudy, with a low around 44. West southwest wind around 5 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 62. West northwest wind 5 to 10 mph becoming north northeast in the morning.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. West wind 8 to 10 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62. West southwest wind 7 to 13 mph.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. West southwest wind 9 to 13 mph, with gusts as high as 18 mph.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 44. West southwest wind around 5 mph.
Monday
Sunny, with a high near 62. West northwest wind 5 to 10 mph becoming north northeast in the morning.
Monday Night
Mostly clear, with a low around 45. West wind 8 to 10 mph.
Tuesday
Sunny, with a high near 62. West southwest wind 7 to 13 mph.
Tuesday Night
Mostly clear, with a low around 47. West southwest wind 9 to 13 mph, with gusts as high as 18 mph.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Sunny, with a high near 66.
Thursday Night
Clear, with a low around 47.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
A slight chance of rain. Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Hercules CA
 38.01°N 122.18°W (Elev. 597 ft)
Last Update:
1:26 am PDT Apr 13, 2026
Forecast Valid:
2am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation